311924480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1182

約数の個数: 144

約数和(自身を含む): 882223104

約数和(自身を除く): 570298624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1123, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2246, 2480, 3472, 3968, 4340, 4480, 4492, 4960, 5615, 6944, 7861, 7936, 8680, 8960, 8984, 9920, 11230, 13888, 15722, 17360, 17968, 19840, 22460, 27776, 31444, 34720, 34813, 35936, 39305, 39680, 44920, 55552, 62888, 69440, 69626, 71872, 78610, 89840, 125776, 138880, 139252, 143744, 157220, 174065, 179680, 243691, 251552, 277760, 278504, 287488, 314440, 348130, 359360, 487382, 503104, 557008, 628880, 696260, 718720, 974764, 1006208, 1114016, 1218455, 1257760, 1392520, 1437440, 1949528, 2012416, 2228032, 2436910, 2515520, 2785040, 3899056, 4456064, 4873820, 5031040, 5570080, 7798112, 8912128, 9747640, 10062080, 11140160, 15596224, 19495280, 22280320, 31192448, 38990560, 44560640, 62384896, 77981120, 155962240, 311924480]

約数ペア:

[(1, 311924480), (2, 155962240), (4, 77981120), (5, 62384896), (7, 44560640), (8, 38990560), (10, 31192448), (14, 22280320), (16, 19495280), (20, 15596224), (28, 11140160), (31, 10062080), (32, 9747640), (35, 8912128), (40, 7798112), (56, 5570080), (62, 5031040), (64, 4873820), (70, 4456064), (80, 3899056), (112, 2785040), (124, 2515520), (128, 2436910), (140, 2228032), (155, 2012416), (160, 1949528), (217, 1437440), (224, 1392520), (248, 1257760), (256, 1218455), (280, 1114016), (310, 1006208), (320, 974764), (434, 718720), (448, 696260), (496, 628880), (560, 557008), (620, 503104), (640, 487382), (868, 359360), (896, 348130), (992, 314440), (1085, 287488), (1120, 278504), (1123, 277760), (1240, 251552), (1280, 243691), (1736, 179680), (1792, 174065), (1984, 157220), (2170, 143744), (2240, 139252), (2246, 138880), (2480, 125776), (3472, 89840), (3968, 78610), (4340, 71872), (4480, 69626), (4492, 69440), (4960, 62888), (5615, 55552), (6944, 44920), (7861, 39680), (7936, 39305), (8680, 35936), (8960, 34813), (8984, 34720), (9920, 31444), (11230, 27776), (13888, 22460), (15722, 19840), (17360, 17968)]